Frame Functional Description; Main Components; Keyboards; Display - GE B30 Technical Reference Manual

B30 Patient Monitor
3

Frame functional description

3.1 Main components

3.1.1 Keyboards

User interface parts
Vertical and Horizontal Membrane keypad containing 17 keys. The keypads are foil membrane
keypads. The keypads are connected to the UPI section of the CPU board.
ComWheel is used for menu selection.

3.1.2 Display

The 10.4" LCD display with SVGA 800 x 600 resolution has bright long live lamps and a wide
viewing angle.
NOTE: The LCD display backlight circuit runs on a high voltage. Do not touch the inverter board
or the backlight tube leads when powered.
Backlights
Replaceable backlight lamp unit consists of two integrated cold cathode fluorescent lamps.
The backlight lamp unit is driven by a separate inverter board.
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Document no 2044677-001